Blog
Invoicing, written down: page 5
Notes on getting paid: payment terms, purchase orders, working with accounts payable, and the small details that decide whether an invoice clears in a week or a month.
· 6 min read
Invoicing Annual SaaS Contracts and Renewals, Step by Step
How to invoice an annual SaaS contract from signed order form through renewal, without losing the deal to AP, PO mismatches, or a late co-term.
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· 5 min read
What Belongs on a Design Project Invoice
A practical structure for a design project invoice, with the exact wording that goes in each field and why it matters to your client's AP team.
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· 5 min read
Automating Invoicing With an API, End to End
How to wire invoicing into your app or internal tools using a REST API and an MCP server, with concrete examples for the parts that usually break.
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· 5 min read
Progress Billing for Contractors, Stage by Stage
How to invoice a multi-stage contracting job as work completes, from the signed quote through the final retainage release, without losing track of versions.
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· 5 min read
Getting an Agency Invoice Through Client Procurement
Procurement and AP have their own rules. Here is how to prepare an agency invoice that clears both on the first pass, not the fifth.
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· 5 min read
Billing Retainer and Project Work in the Same Month
How to run a clean monthly billing cycle when one client has a fixed retainer, a milestone project, and a few out-of-scope hours all at once.
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· 5 min read
Your First Freelance Invoice, Built Line by Line
A real first freelance invoice, field by field, with the exact wording, numbers, and bank details that get it through a client's AP team without delay.
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· 5 min read
The Calm Follow-Up Sequence for a Late Freelance Invoice
A day-by-day follow-up plan for a late freelance invoice: what to send, when to escalate, and how to get paid without burning the relationship.
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· 4 min read
A Freelancer's Invoicing Workflow, Project End to Paid
A practical, step-by-step freelance invoicing workflow from project end to cleared funds, including the AP handoff that decides whether you get paid in 30 days or 50.
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· 5 min read
Invoice Numbering Mistakes That Wreck Your Books
The numbering mistakes that quietly break your books: gaps, resets, duplicates, and clever formats that confuse every accountant who touches them.
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· 5 min read
Design an Invoice Numbering System That Scales
Pick a numbering format once and you stop second-guessing it forever. Here is how to design one that holds up at invoice 12 and at invoice 12,000.
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· 5 min read
Your Invoice Hasn't Been Opened. Now What?
A practical follow-up plan for an invoice your client has not opened yet, with exact wording, timing, and the channels to try in order.
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